. >>> i, barack hussein obama, do solemnly swear -- >> taking the oath, president obama sworn in for a second term in front of hundreds of thousands and uses his inaugural address to ask the country to come together. >> with common effort and common purpose, with passion and dedication, let us answer the call of history. >>> a winter freeze moves across the midwest to the northeast delivering snow and bone-chilling temperatures to millions. >>> and metro mayhem as a good samaritan jumps into action when a woman tumbles off the platform and on to the tracks. this is the "cbs morning news" for tuesday, january 22, 2013. captioning funded by cbs >>> good morning. good to be with you. i'm anne-marie green. hundreds of thousands of american descended on the capital to witness history. after the public ceremony, the newly sworn-in chief executive made a plea for the country to come together and promised that as a nation we possess all the qualities that the world